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Parameters for ProtParam.
| Molecular weight | Aliphatic index |
| Atom composition | Instability index |
| Theoretical pI | Ext. coefficient (1) |
| Number of amino acids | Ext. coefficient (2) |
| Amino acid composition (20) | Estimated half-life |
| Total number of negatively charged residues (Asp + Glu) | Extinction coefficients |
| Total number of positively charged residues (Arg + Lys) | Grand average of hydropathicity (gravy) |
